376.74% is the change from 129 to 615
Calculation steps:
[( 615 - 129 ) ÷ 129] x 100 = 376.74%
Formula
Percentage change = [(615 - 129) / 129] x 100
Subtract the new number by the original number
615 - 129 = 486
486 ÷ 129 = 3.7674418604651163
3.7674418604651163 x 100 = 376.74%